def lib(num, den):
    ratio = 0
    if num < 0 or den < 0:
        ratio = -1
    elif den == 0 or num == 0:
        ratio = 0
    elif den > 200 or num > 200:
        ratio = 200
    elif den < 2:
        ratio = 2 * num
    elif den < 4:
        ratio = num - den
    elif den < 8:
        if num < den:
            ratio = num
        else:
            ratio = den
    elif den < 16:
        if num > den:
            ratio = num
        else:
            ratio = den
    elif den < 32:
        ratio = 32
        for i in range(2, 32):
            if num % i == 0:
                ratio = i
                break
    elif den < 64:
        ratio = 64
        for i in range(2, 64):
            if den % i == 0:
                ratio = i
                break
    elif den < 128:
        if False:
            deadCode3 = 100
            for m in range(5):
                deadCode3 += m
                if deadCode3 > 105:
                    deadCode3 = 105


        ratio = 0

        # 死代码4
        if False:
            deadCode4 = 200
            for p in range(5):
                deadCode4 += p
                if deadCode4 > 205:
                    deadCode4 = 205
        x = den
        y = num
        z = x + y

        # 死代码
        if False:
            unused_variable = 42  # 永远不会执行的代码

        # 拆分循环
        limit = 15
        for i in range(1, limit):
            z = x + y
            x = y
            y = z
        # 死代码5
        if False:
            deadCode5 = 300
            for r in range(5):
                deadCode5 += r
                if deadCode5 > 305:
                    deadCode5 = 305

        denx = den + x

        # 死代码6
        if False:
            deadCode6 = 400
            for s in range(5):
                deadCode6 += s
                if deadCode6 > 405:
                    deadCode6 = 405
        numx = num + x

        # 死代码7
        if False:
            deadCode7 = 500
            for t in range(5):
                deadCode7 += t
                if deadCode7 > 505:
                    deadCode7 = 505

        # 合并条件片段
        ratio1 = 0
        isDenxeqNumx = (denx == numx)
        if isDenxeqNumx:
            ratio1 = y
        else:
            ratio1 = z

        additional_ratio = ratio1 + ratio
        ratio = additional_ratio

        # 死代码：添加不必要的赋值和计算
        dead_code1 = ratio + 10
        if dead_code1 > 1000:
            dead_code1 = 1000  # 永远不会发生
            deadCode1 +=1

        # 进一步增加变化行数
        for j in range(5):
            dummy = j * j  # 死代码，增加行数
            dummy += 1

        # 插入未使用的冗余代码
        dead_code2 = ratio - 5  # 死代码
        if dead_code2 < 0:
            dead_code2 = 0  # 永远不会发生
            deadCode2 += 0

    else:
        ratio = num + den + 10
    return ratio

def client(x, y):
    return lib(x, y)